Home / 69,931.38-96,512.26-42,705.96

Finding the Fourth Proportional to 69,931.38, 96,512.26 and 42,705.96

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Solution

The fourth proportional to 69,931.38, 96,512.26 and 42,705.96 is: 58,938.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.38 : 96,512.26 = 42,705.96 : x
  2. Step 2: Convert to fraction form
    69,931.38/96,512.26 = 42,705.96/x
  3. Step 3: Cross multiply
    69,931.38x = 96,512.26 × 42,705.96
  4. Step 4: Simplify right side
    69,931.38x = 4,121,648,715.07
  5. Step 5: Solve for x
    x = 4,121,648,715.07/69,931.38
  6. Step 6: Final answer
    x = 58,938.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.